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PRR 397 – TGR Trading Piece. Requirements Discussion For PRS Review 04/23/04. PRR 397- TGR Trading Piece. When passed in June ’03, project cost was underestimated Initial estimate based on leveraging existing TCR system

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prr 397 tgr trading piece

PRR 397 – TGR Trading Piece

RequirementsDiscussion

For PRS Review 04/23/04

prr 397 tgr trading piece1
PRR 397- TGR Trading Piece
  • When passed in June ’03, project cost was underestimated
    • Initial estimate based on leveraging existing TCR system
    • Thorough analysis of requirements showed estimate should have been 4x the original estimate
    • At Project Review, ERCOT Mgmt requested further analysis
    • Major cost component (approximately ½ total cost) attributed to TGR Trading piece
  • Further discussion between ERCOT and McCamey Area MPs indicated debate over real need for Trading piece
  • Conference Call on 1/27/04 with Austin, CPS, FPL, TXU, and PUCT
    • Trading piece was removed from project based on call discussions
    • PRR to remove Trading piece was expected from one of the MPs
      • Subsequent information indicated that PRR would not be submitted
      • Project had already been re-directed and begun without TGR Trading piece
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PRR 397- TGR Trading Piece
  • Why not just add this requirement back into in-flight project?
    • ERCOT staff needs further clarification of requirements to accurately reflect trading piece
      • Need to resolve questions about how to handle trading
      • Trading 1MW from unit to unit might not result in 1:1 trade (shift factors/line losses, etc.)
    • Main project design was already underway
    • Cost/schedule delay of main project while resolving issues identified above
  • Conference Call 4/13/04
    • Between ERCOT staff and PUCT
      • Confirmed PUCT presence at earlier telecon and concurrence with actions taken by project staff to proceed without Trading piece
      • Need for Trading piece diminishes relative to other prospective projects and with projected Nodal Market
      • Discussion of plan to re-prioritize Trading piece
  • Action Plan
    • Bring Trading piece to PRS in April for re-prioritization
    • If priority is high enough for likely completion near-term,
      • Request task force/work group be assigned to clearly define requirements